Season 4 of The Fosters was announced [1] on November 30, 2015. The amount of episodes was confirmed to be 20. The new season aired on June 20, 2016 with a two-part season premiere.
"The new season picks up immediately from the dramatic cliffhanger finale with Jesus knocked out by Mariana’s ex-boyfriend Nick and Callie trapped in the car with Troy Johnson, who she fears is the true killer of Martha Johnson. Jesus is rushed to the hospital and into surgery, his family anxiously waiting to hear about the extent of his injury. Stef and Lena become so wrapped up with Jesus’ situation that they don’t learn that Callie is in trouble until it’s too late. Mariana must deal with her role in Jesus’ injury, while Brandon dreads telling Stef and Mike that he has lost his chance to attend Juilliard. Despite getting in trouble for smoking pot, Jude will continue to date Noah and consider having sex for the first time. Stef works toward making detective, while Lena ends up having to take a leave of absence from her job. Mike will take his relationship with Ana to the next level, asking her to move in with him and his foster son AJ."
Cast
Main Cast
Recurring CastAdd characters here when they have appeared in at least 5 episodes in the season.
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Guest Stars
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Episodes
4A
| # | Image | Title | First aired | |||||
|---|---|---|---|---|---|---|---|---|
| 1 | 
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Potential Energy | June 20, 2016 | |||||
| The new season picks up immediately from the dramatic cliffhanger finale with Mariana’s emotionally devastated boyfriend Nick bringing a gun to school. Now that Stef and Lena know that Callie slept with Brandon, she worries they may not want her to remain part of the family. | ||||||||
| 2 | 
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Safe | June 27, 2016 | |||||
| After being given the all clear to head home, tensions are still running high in the Adams Foster household. Fragile and skittish from the school lockdown, the family sticks close, but their secrets keep them apart. Callie and Brandon anxiously wait for their moms to address their behaviour in Idyllwild while Stef warns everyone to stay off their phones and computers due to the rumours swirling around their family. Meanwhile, Brandon sneaks out to help Cortney move, leading to a major blowup between him and Stef. | ||||||||
| 3 | 
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Trust | July 11, 2016 | |||||
| In the aftermath of the school lockdown, Mariana is called out by other students who blame her for Nick’s actions. Callie is also taunted at school and her inappropriate reaction gets her suspended. But what starts off as a punishment turns into an adventure when she meets Aaron, a handsome young law student who knows nothing about her or her past. Meanwhile, when Taylor invites Jude to her church youth group, he questions her motives. | ||||||||
| 4 | 
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Now for Then | July 18, 2016 | |||||
| Callie starts her senior project of photographing the outside of her and Jude’s seven former foster homes. But, when an unexpected encounter with a former foster mother brings her inside, Callie decides to reach out to other people who have fostered her and is shocked to learn that a 17-year-old former foster brother has been convicted of murder. Stressed out by the hardships of supporting himself and Cortney, Brandon throws a house party and things take a turn for the worse. Stef and Lena offer to pay for an attorney to help get Gabe off of the sex offender registry, which is currently putting Lena’s job at risk and causing friction between Mike and Ana. Meanwhile, Mariana tells her moms that, in order to feel safe again, she wants to visit Nick and put an end to their relationship once and for all. | ||||||||
| 5 | 
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Forty | July 25, 2016 | |||||
| Lena is excited that her family is coming together to throw her a 70s-themed 40th birthday party. But, when Lena’s mom Dana (guest star Lorraine Toussaint, “Orange Is the New Black”) shares her suspicions about Stewart’s (guest star Bruce Davison, “X-Men”) behavior, it threatens to put a damper on the festivities. Convinced her former foster brother Kyle has been wrongly convicted of murder, Callie and Aaron try to track down a witness in the case. Mariana and her female STEM club teammates compete for an invite to the Regional Robotics Competition. Meanwhile, Jude is hurt to discover that Connor came to town and didn’t tell him, and Brandon considers drastic measures to make extra money. | ||||||||
| 6 | 
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Justify | August 1, 2016 | |||||
| Lena gets pushed to the limit after she uncovers secrets involving family members; Mariana faces opposition from the male members on her STEM team; Jesus resents Emma's behavior; Jude learns that Noah has a medical marijuana card. | ||||||||
| 7 | 
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Highs & Lows | August 8, 2016 | |||||
| Jesus works on Stef and Lena's garage when his father doesn't show up; Mariana takes some of Jesus' ADHD medicine because she's exhausted from her STEM project; Callie and AJ are put in an unwanted position following Mike and Brandon's early return. | ||||||||
| 8 | 
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Girl Code | August 15, 2016 | |||||
| Lena is concerned when Mariana becomes too competitive during the robotics competition; the police warn Callie to stop harassing Patrick Molloy; Brandon prepares for his upcoming audition at Julliard. | ||||||||
| 9 | 
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New York | August 22, 2016 | |||||
| While in New York City for his audition at Juilliard, Brandon meets a young woman who forces him to re-examine his life; Stef and Lena make an announcement that shocks the family; Callie's friendship with Aaron creates tension between her and AJ. | ||||||||
| 10 | 
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Collateral Damage | August 29, 2016 | |||||
| Callie and the family run a "Justice for Jack" booth at a music festival to try and stop Justina's foster care bill; Mariana sees Nick and makes a run for it; Stef's inquiries into Kyle's case could lead to repercussions at her job. | ||||||||
4B
| # | Image | Title | First aired | |||||
|---|---|---|---|---|---|---|---|---|
| 11 | 
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Insult to Injury | January 31, 2017 | |||||
| In the aftermath of Jesus’ fight with Nick over Mariana, Jesus is knocked out. On the way to the hospital, things take a turn for the worse, leaving him fighting for his life. Meanwhile, Callie finds herself in a dangerous situation after taking a ride with Troy and Mariana is guilt-ridden over the fact that her actions led to Jesus’ current condition. | ||||||||
| 12 | 
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Dream a Little Dream | February 7, 2017 | |||||
| As Stef and Lena stand vigil over an unconscious Jesus, he dreams of an alternate world wherein he tries to save Mariana but can’t get to her. Already stretched thin, the moms receive news that Callie is in serious legal trouble. Mariana seeks comfort in Mat’s arms, while Brandon tries to hold the family together. | ||||||||
| 13 | 
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Cruel and Unusual | February 14, 2017 | |||||
| Callie tries to keep to herself and focus on getting out of juvenile hall, but when she refuses a guard’s propositions, she ends up making an enemy. As Stef and Lena work to get Callie out of juvie, her biological father Robert (guest star Kerr Smith, “Marvel’s Agents of S.H.I.E.L.D,” “Dawson’s Creek”) turns up, angry for being kept in the dark. Meanwhile, Brandon’s questioning of a situation has consequences for Mariana. Jude gets a second chance with Noah, and Mike makes several life-changing decisions. | ||||||||
| 14 | 
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Doors and Windows | February 21, 2017 | |||||
| After Brandon confesses to Stef that he didn’t get into Juilliard, she decides she’s fed up with all of the kids’ secrets and removes their bedroom doors. Mariana starts seeing a therapist to deal with the trauma of Nick’s actions. While Jesus struggles with physical therapy, Brandon realizes that music might be a good way to help get through to him. Callie’s biological father Robert (guest star Kerr Smith, “Marvel’s Agents of S.H.I.E.L.D,” “Dawson’s Creek”) brings in his highly paid attorneys to handle Callie’s case, which causes a conflict with Stef and Lena. | ||||||||
| 15 | 
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Sex Ed | February 28, 2017 | |||||
| Jude feels uneducated about gay sex ed, so he tries to gain some personal experience through a phone app; Callie presents her senior project to her class, but the school admin disapproves of the concept. After showing her senior project off campus Callie gets scouted by an art professor but arrives home to find Robert who tells her Troy Johnson refused the pay off and that she is going to trial. Jude makes out with Noah. | ||||||||
| 16 | 
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The Long Haul | March 14, 2017 | |||||
| Sharon and Will (guest stars Annie Potts, “Chicago Med,” and Rob Morrow, “Billions”) return to the Adams Foster home with news that they are engaged. While the family happily prepares for the wedding ceremony, Stef learns that her mom is having second thoughts about getting married. In an effort to come clean with Jesus, Emma writes him a letter but learns he is hiding a secret of his own. Meanwhile, Jude is bullied at school when Lena organizes an LGBTQ-friendly sex ed class for students.
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